PSLE Answer the following.
- What is the first common multiple of 4 and 6?
- List all the common factors of 14 and 22. Give your answers in numbers in ascending order. (Eg $(n1), $(n2), 4)
(a)
Multiples of 4: 4, 8, 12
Multiples of 6: 6, 12
First common multiple: 12
(b)
Factors of 14: 1, 2, 7, 14
Factors of 22: 1, 2, 11, 22
Common factors of 14 and 22: 1, 2
Answer(s): (a) 12; (b) 1, 2